select:

Function:

This macro defines a selection code, which is subsequently used in conjunction with the section called “ifsel: and endsel: ” to enable selective processing of input lines.

Syntax:

select:(codename)

codename is an alphanumeric string of one to ten characters. This code will be used as a selection key for subsequent ifsel: macros.

Examples:

select:(VAX)
select:(EBCDIC)
select:(Fortran77)